
E. Alan Jobbins (1923–2019)
An obituary detailing the many contributions of gemologist E. Alan Jobbins.

Condor Agate from Argentina
A vibrant orange and yellow agate displays interesting concretions in its core.

“Double Bubble” Multiphase Inclusion in Beryl

Grandidierite Inclusions in Sapphires
Grandidierite, an unusual inclusion in sapphire, independently encountered by two laboratories.

Quarterly Crystal: Orpiment in Barite

Sapphire Inclusion with Rutile “Silk” in a Burmese Star Sapphire
Illumination techniques reveal a remarkable sapphire inclusion within a Burmese star sapphire.

Star-Like Growth in Natural Yellow Sapphire
A natural yellow sapphire features a distinctive star-like graining pattern.

Book Review: Diamonds: An Early History of the King of Gems
A review of Diamonds: An Early History of the King of Gems by Jack Ogden.

Book Review: Figures & Faces: The Art of Jewelry
Review of Figures & Faces: The Art of Jewelry by Patrick Mauriès and Évelyne Possémé

Book Review: Geology: A Very Short Introduction
Review of Geology: A Very Short Introduction by Jan Zalasiewicz.

Book Review: Masterpieces in Miniature: Engraved Gems from Prehistory to the Present
Review of Masterpieces in Miniature: Engraved Gems from Prehistory to the Present by John Boardman and Claudia Wagner.

Book Review: Symphony of Jewels: Anna Hu Opus 2
Review of Symphony of Jewels: Anna Hu Opus 2 by Janet Zapata with Sarah Davis.

Fossil Insect in Opal
A vibrant orange and yellow agate displays interesting concretions in its core.

Color-Change Pink Pyrope Garnet Update
Greenland Ruby Update
Reinvesting in Cartagena: Jewelry School of the Caribbean


The Largest Diamond Ever Discovered in North America
GIA examines a 552.7 ct diamond from the Diavik mine in Canada.